<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传</title>
</head>
<body>
    <H2>选择文件并上传</H2>
    <form method="post" enctype="multipart/form-data" action="upload">
        选择文件：<input type="file" name="uploadfile"/><br><br>
        <input type="submit" value="上传"/>
    </form>
</body>
</html>